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You searched for: subject:"finite"
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[texts]Finite Geometries - J ̈urgen Bierbrauer
Contents: Finite Fields 2 Pro jective geometries 3 The link to codes 4 An application: resilient functions 5 Arcs in pro jective planes 6 Symmetric bilinear forms 7 Symplectic bilinear forms 8 Quadratic forms in characteristic 2 9 Unitary bilinear forms 10 Quadrics in P G(2, q) and in P G(3, q) 11 Designs, pro jective planes and GQ 12 The small Witt designs 13 Symmetry groups 14 Generators and Spreads 15 Reed-Muller codes and Kerdock codes 16 Pro jective planes 17 Generalized polygons 18 Diagram...
Keywords: Finite Geometry
Downloads: 8
[texts]An Introduction to Finite Geometry - Simeon Ball and Zsuzsa Weiner
Contents: Projective geometries; Arcs and maximum distance separable codes; Polar geometries; Generalised quadrangles and inversive planes. Lecture Notes Collection FreeScience.info ID1500 Obtained from http://www-ma4.upc.es/~simeon/IFG.pdf http://www.freescience.info/go.php?pagename=books&id=1500
Keywords: Finite Geometry
Downloads: 25
[texts]Use of the tensor product for numerical weather prediction by the finite element method - Newton, R. E. (Robert Eugene).
Report for period April 1984 - June 1984.--pt.2
Keywords: FINITE ELEMENTS
Downloads: 52
[texts]Fusion of p-elements in symmetric groups - Hsieh, John-Tien
Typescript
Keywords: Finite groups
Downloads: 96
[texts]Use of the tensor product for numerical weather prediction by the finite element method - Newton, R. E. (Robert Eugene).
Final report for period October 1982 - September 1983.--pt.1
Keywords: FINITE ELEMENTS
Downloads: 42
[texts]Notes on Groups and Geometry, 1978-1986 - Steven H. Cullinane
Typewritten notes, 40 pages, 3.5 MB.
Keywords: Finite Geometry; Group Theory
Downloads: 85
[texts]What Is a Good Linear Finite Element? - Jonathan
Why are elements with tiny angles harmless for interpolation, but deadly for stiffness matrix conditioning? Why are long, thin elements with angles near 180o terrible in isotropic cases but perfectly acceptable, if they're aligned properly, for anisotropic PDEs whose solutions have anisotropic curvature? Why do elements that are too long and thin sometimes offer unexpectedly accurate PDE solutions? Why can interpolation error, discretization error, and stiffness matrix conditioning sometimes hav...
Keywords: Finite element method
Downloads: 28
[texts]Finite difference solutions of axisymmetric infiltration through partially saturated porous media - Wei, Chi-yuan
"This report contains the results of Dr. Wei's Ph. D. dissertation."
Keywords: Groundwater flow; Finite differences
Downloads: 36
[texts]Evaluation of flood risk factors in the design of highway stream crossings : V.3, Finite element model for bridge backwater computation - Water Resources Engineers, Inc
PB 254 960/AS
Keywords: Finite element method; Hydraulics
Downloads: 39
[texts]Efficient parabolic equation solution of radiowave propagation in an inhomogeneous atmosphere and over irregular terrain : formulation - Janaswamy, Ramakrishna.
Title from cover
Keywords: RADIO WAVES; FINITE DIFFERENCE THEORY
Downloads: 46
[texts]Moving particles through a finite element mesh (Volume 103) - Peskin, A.P.
Journal of Research of the National Institute of Standards and Technology
Keywords: particles; finite element; packed beds
Downloads: 96
[texts]Block envelope solution of finite difference systems (Volume Report (University of Illinois at Urbana-Champaign. Dept. of Computer Science) no. 765) - Sherman, Andrew H
"UIUCDCS-R-75-765"
Keywords: Equations, Simultaneous; Matrices; Finite differences
Downloads: 24
[texts]On the axiomatic foundations of dimensional analysis - Gawain, Theodore Henry.
Title from cover
Keywords: FINITE ELEMENT METHOD--COMPUTER PROGRAMS
Downloads: 77
[texts]524
Finite Element Analysis (FEA) using Finite Element Method (FEM) wasdeveloped over 70 years to solve the complex elasticity and structural analysis problem incivil and aeronautical engineering. Application of FEA is being expanded to simulation inelectrical engineering also to solve the complex design problems. The circuit theory modelsfor designing transformers are not much accurate in determining the transformerparameters such as winding impedance, leakage inductance, hot spot temperature etc...
Keywords: Finite Element Method; Finite Element Analysis; Quasi-static Finite Element; Leakage Inductance
Downloads: 8
[texts]mit :: lcs :: tr :: MIT-LCS-TR-102
From the bitsavers.org collection, a scanned-in computer-related document.mit :: lcs :: tr :: MIT-LCS-TR-102
Keywords: finite; theorem; exists; definition; accepting; define; proof; lemma; automaton; automata; nondeterministic finite; emptiness problem; finite automata; designated subsets; finite automaton; subset pairs; definable sets; finite tree; finite trees; deterministic finite
Downloads: 19
[texts]6. Maths IJAMSS Note On Global Solvability Venkatesh
The connection between PDEs and Geometry is well known. When the flow on smooth manifold is characterized as vector field then one would expect that the flow remains stable for time as much possible as we wish. But, this is too much a requirement several topological constraints will come in the way of such smooth flows. We have made a note of this fact interms of global solvability.
Keywords: Smooth Manifolds; Flows and Finite Time Singularities
[texts]6. Maths IJAMSS Note On Global Solvability Venkatesh
The connection between PDEs and Geometry is well known. When the flow on smooth manifold is characterized as vector field then one would expect that the flow remains stable for time as much possible as we wish. But, this is too much a requirement several topological constraints will come in the way of such smooth flows. We have made a note of this fact interms of global solvability.
Keywords: Smooth Manifolds; Flows and Finite Time Singularities
[texts]FEM Software; Power Factor; Induction Motor
Lattice structures due to their low weight and high performance as structural elements have been widely used in different aerospace applications. In this paper, effective parameters on the design of anisogrid lattice conical shells are investigated. First, filament winding patterns regarding the desired axial strength is decided. Then, regarding geometrical relations, effective parameters in order to form the anisogrid cell are identified...
Keywords: Rib; Stiffness Matrix; Lattice Structure; Finite Element
Downloads: 11
[texts]Effects of cavitation on underwater shock loading - plane problem : final report - Newton, R. E. (Robert Eugene)
Final report for period October 1979-September 1980.
Keywords: GIRDERS--VIBRATION--MATHEMATICAL MODELS; FINITE ELEMENT METHOD
Downloads: 60
[texts]2. Steam Condesnser.full
Weight optimization of body flange and cover flange used in condenser is major area of interest since many years. Most of the researchers have worked on functional ability of bolted joints with gasket under operating conditions. This paper will provide an exposure to design and analysis of body flange & cover flange of steam condenser used in thermal power plant by using FEM approach and validate analytically as per ASME.
Keywords: Body Flange; Cover Flange; Finite Element Analysis
Downloads: 13
[audio]Tapastry - JustNorm
A weaving experience of my running
Keywords: Running; Humans; Life; Finite; Love; Family
Downloads: 14
[texts]Design of Pipelines Against Ice Scour: Effects of Seabed Geology
In recent years, several computational models were published for the analysis of pipelines subjected to ice scour. With one exception, most of these models assumed uniform seabed soil properties. This paper studies the effects of different seabed soil stratigraphies on the ice scour process. Influence of various stiffer and softer soil sequences on the pipeline stresses are analyzed. Effects of reworking or remolding of soils by recurrent scours are studied...
Keywords: Pipelines; Ice Scour; Finite Element Method
Downloads: 10
[texts]A treatise on differential equations, and on the calculus of finite differences - Hymers, J. (John), 1803-1887
The metadata below describe the original scanning. Follow the "All Files: HTTP" link in the "View the book" box to the left to find XML files that contain more metadata about the original images and the derived formats (OCR results, PDF etc.). See also the What is the directory structure for the texts? FAQ for information about file content and naming conventions.
Keywords: Differential equations; Difference equations; Finite differences
Downloads: 298
[texts]DESIGN OF SOFTWARE FOR DESIGN OF FINITE ELEMENT FOR STRUCTURAL ANALYSIS - Reinhard Helfrich

Keywords: structural analysis; finite element; design; software
Downloads: 122
[texts]The generalized element method (Volume Report (University of Illinois at Urbana-Champaign. Dept. of Computer Science) no. 946) - Speelpenning, B
"COO-2383-0055."
Keywords: Equations, Simultaneous; Matrices; Finite element method
Downloads: 33
[texts]Analysis and Calculation of Three-dimensional Temperature Field of Inverter-fed Traction Motor
Due to the fact of immeasurable inner temperature ofinverter-fed traction motor, three-dimension finite element modelof part of rotor iron core and half a rotor bearing wereestablished. The convective heat transfer coefficient between theair gap of motor and rotor surface were calculated according tothe heat transfer and fluid mechanics theory. The influence oftemperature rise on the stator and rotor resistance wasconsidered for thermal loss calculation...
Keywords: Traction Motor; Temperature Field; Finite Element Analysis
Downloads: 13
[texts]Analysis and Calculation of Three-dimensional Temperature Field of Inverter-fed Traction Motor - Yi Cui, Guangning Wu, Guoqiang Gao, Yang Luo, Kaijiang Cao
Due to the fact of immeasurable inner temperature of inverter-fed traction motor, three-dimension finite element model of part of rotor iron core and half a rotor bearing were established. The convective heat transfer coefficient between the air gap of motor and rotor surface were calculated according to the heat transfer and fluid mechanics theory. The influence of temperature rise on the stator and rotor resistance was considered for thermal loss calculation...
Keywords: Traction Motor; Temperature Field; Finite Element Analysis
Downloads: 93
[texts]An efficient iterative procedure for use with the finite element method (Volume Report (University of Illinois at Urbana-Champaign. Dept. of Computer Science) no. 600) - Kim, Yong-jip, 1935-
Vita
Keywords: Differential equations, Elliptic; Finite element method
Downloads: 228
[texts]The use of finite polynomial rings in the factorization of the general polynomial (Volume 69B) - Lloyd, Daniel B.
Journal of Research of the National Bureau of Standards
Keywords: Congruential polynomials; Finite polynomial rings; general polynomial
Downloads: 52
[texts]Finite Difference Method and The Lame's Equation in Hereditary Solid Mechanics - Co Hong Tran , University of Natural Sciences , HCMC Vietnam - MMPC VN
The Lame's differential equation is solved by the finite-difference method . http://www.maplesoft.com/applications/app_center_view.aspx?AID=1974
Keywords: Lame; Finite-difference; Applied Mechanics; Mathematics
Downloads: 91
[texts]9. Eng The Modernization Of Gear Micropump Casing With The Use Of Finite Waclaw Kollek - Wacław Kollek & Urszula Radziwanowska
This paper presents the results of modernization of gear micropump casing in order to achieve minimization of overall dimensions and mass of the construction. Three different cases of the pump casing size were analyzed during numerical simulations with the use of finite element method (FEM). The dimensions of the first of the casings were identical to prototype unit, the second model was characterized by 15% reduction in size and the third casing was reduced by 25%...
Keywords: Gear Micropump; Pump Casing; Finite Element Method
[texts]What is the Relationship Between Heavy Ion Outflow and High-Latitude Energetic Particle Precipitation - Wilson, Gordon R
This document is the fourth quarter progress report for year two on contract NAW-99002 'What is the relationship between heavy ion outflow and high latitude energetic particle precipitation'. In this project we are studying the relationship between the fluxes, mean energies, and field-aligned flow speeds of escaping suprathermal H and O measured by the TEAMS instrument on FAST and the energy flux of precipitating electrons obtained form the LBHL images taken by the Ultraviolet Imagery (UVI) came...
Keywords: ESSENTIALLY NON-OSCILLATORY SCHEMES; FINITE DIFFERENCE THEORY; FINITE VOLUME METHOD; STRUCTURED GRIDS (MATHEMATICS); ACCURACY; COEFFICIENTS; STABILITY
Downloads: 53
[texts]Semiannual Report, 1 September 1974 - 28 February 1975 - Smith, H. J
No Abstract Available
Keywords: COMPUTATION; COMPUTER PROGRAMS; DYNAMIC STRUCTURAL ANALYSIS; FINITE DIFFERENCE THEORY; FINITE ELEMENT METHOD; NONLINEAR PROGRAMMING
Downloads: 53
[texts]A preliminary investigation of the use of throttles for emergency flight control - Burcham, F. W., Jr.
A preliminary investigation was conducted regarding the use of throttles for emergency flight control of a multiengine aircraft. Several airplanes including a light twin-engine piston-powered airplane, jet transports, and a high performance fighter were studied during flight and piloted simulations. Simulation studies used the B-720, B-727, MD-11, and F-15 aircraft. Flight studies used the Lear 24, Piper PA-30, and F-15 airplanes...
Keywords: APPROXIMATION; EXPONENTIAL FUNCTIONS; NUMERICAL STABILITY; WAVE EQUATIONS; BOUNDARY CONDITIONS; DAMPING; FINITE DIFFERENCE THEORY; FINITE ELEMENT METHOD
Downloads: 109
[texts]Entropy condition satisfying approximations for the full potential equations of transonic flow - Osher, S.
A class of conservative difference approximations for the steady full potential equation was presented. They are, in general, easier to program than the usual density biasing algorithms, and in fact, differ only slightly from them. Rigorous proof indicated that these new schemes satisfied a new discrete entropy inequality, which ruled out expansion shocks, and that they have sharp, steady, discrete shocks...
Keywords: COMPRESSIBLE FLOW; EULER EQUATIONS OF MOTION; FOURIER ANALYSIS; FINITE DIFFERENCE THEORY; FINITE ELEMENT METHOD; NOZZLE GEOMETRY
Downloads: 116
[texts]mit :: ai :: aim :: AIM-155
From the bitsavers.org collection, a scanned-in computer-related document.mit :: ai :: aim :: AIM-155
Keywords: stack; algorithm; parsed; string; proportional; left; characters; finite; handle; tlie; finite number; time proportional; context free
Downloads: 32
[audio]Yi-Tan Tech Community Call #340 - Unwinning - summary version - Jerry Michalski
Who won the Powerball? Which movie had the biggest opening weekend? Whom did the Bachelorette pick? Why are we so obsessed with winning? Spiritual gambler Jason Anthony is developing games that deal with unwinning, drawing on James Carse's Finite and Infinite Games, alongside many other influences. With Jason, let's discuss (FTW!): What's with this "win" obsession? Where's it from? How might we live differently? What's life without winning? Are cultures heading toward other measures of success o...
Keywords: winning; unwinning; games; gaming; sport; happiness; Finite and Infinite Games
Downloads: 2
[texts]Simulations of molecules and processes in the synapse (slides) - Kaihsu Tai
Slides for the defense of doctoral dissertation by Kaihsu Tai; Department of Chemistry and Biochemistry, University of California, San Diego, 2002.
Keywords: acetylcholinesterase; fasciculin; finite element method; molecular dynamics; neuromuscular junction
Downloads: 89
[texts]mit :: lcs :: tr :: MIT-LCS-TR-106
From the bitsavers.org collection, a scanned-in computer-related document.mit :: lcs :: tr :: MIT-LCS-TR-106
Keywords: finite; define; theorem; automaton; infinite; proof; lemma; exists; sequence; automata; finite sequence; infinite tree; finite tree; positive integer; emptiness problem; induction hypothesis; dually accepted; infinite trees; set accepted; finite automaton
Downloads: 21
[texts]Laser Incident in the NASA Unitary Plan Wind Tunnel - George, Michael W.
A viewgraph presentation describing the laser incident in the NASA Unitary Plan Wind Tunnel (UPWT) is shown. The topics include: 1) Unitary Plan Wind Tunnel (UPWT); 2) UPWT 11' x 11' Transonic Wind Tunnel; 3) UPWT 9' x 7' Supersonic Wind Tunnel; 4) 3D Particle Image Velocimetry (PIV); 5) PIV System in 11' x 11' Transonic Test Section; 6) PIV installation in 11' x 11' TWT; 7) 3 Space Shuttle Ascent Configuration Test in UPWT 9' x 7' Test Section; 8) PIV installation in 9' x 7' SWT; 9) PIV Laser S...
Keywords: SOLAR SAILS; ACTUATORS; CONTROLLERS; AEROSPACE SYSTEMS; FINITE ELEMENT METHOD; STABILITY
Downloads: 93
[texts]A model of a systems analysis study - Jones, Carl R.
Title from cover
Keywords: FINITE ELEMENT ANALYSIS; DEFORMATION; SHELLS(STRUCTURAL FORMS); TRANSVERSE
Downloads: 64
[texts]Design aspects of Scheffe's calibration theory using linear splines (Volume 85) - Spiegelman, C.H.
Journal of Research of the National Bureau of Standards
Keywords: Calibration curve; experiments; finite elements; Scheffe; design; spline; volume
Downloads: 84
[texts]Measuring Directional Wave Spectra and Wind Speed with a Scanning Radar Altimeter - Walsh, E. J.
The geometry for the NASA Scanning Radar Altimeter (SRA) is shown. It transmits a 8-ns duration pulse at Ka-band (8.3 mm) and measures time of flight as it scans a 1 degree (two-way) beam from left to right across the aircraft ground track. The most recent configuration determines the surface elevation at 64 points spaced at uniform angular intervals of about 0.7 across a swath whose width is about 0.8 times the aircraft altitude...
Keywords: PIEZOELECTRICITY; ACTUATORS; FINITE ELEMENT METHOD; DISPLACEMENT; ELECTRIC POTENTIAL; ANALOGIES; THICKNESS
Downloads: 91
[texts]Optimum design of a ceramic tensile creep specimen using a finite element method (Volume 102) - Wang, Z
Journal of Research of the National Institute of Standards and Technology
Keywords: optimum design; ceramics; finite element method; stress analysis; stress relaxation
Downloads: 101
[texts]Analysis of a two-fluid EHD power generator including effects of compressibility - Gawain, Theodore Henry.;Biblarz, Oscar.
Title from cover
Keywords: DIFFERENTIAL EQUATIONS--NUMERICAL SOLUTIONS; FINITE ELEMENT METHOD; MATRICES
Downloads: 31
[texts]8. Applied On The Covering Radius C. Durairajan - P. CHELLA PANDIAN & C. DURAIRAJAN
In this correspondence, we give lower and upper bounds on the covering radius of codes over the ring R = Z2 + uZ2 where u2 = 0 with respect to different distance. We also determine the covering radius of various Repetition codes, Simplex codes (Type α and Type β) and their dual and give bounds on the covering radius for MacDonald codes of both types over R
Keywords: Covering Radius; Codes over Finite Rings; Simplex Codes; Hamming Codes
Downloads: 33
[texts]A property of triangle groups (Volume 74B) - Lehner, Joseph
Journal of Research of the National Bureau of Standards
Keywords: Element of finite order; F-group; normal subgroup; triangle group
Downloads: 63
[texts]User manual for ATILA, a finite-element code for modeling piezoelectric transducers - Decarpigny, J. N. (Jean-Noel), 1958-;Debus, Jean-Claude.
Title from cover
Keywords: FINITE ELEMENT ANALYSIS; NUMERICAL ANALYSIS; PIEZOELECTRIC TRANSDUCERS; SONAR
Downloads: 166
[texts]A STUDY OF THE VAN DER WAALS FORCE AT SMALL DISTANCES - WHITMAN, F.
THE THEORY OF DZYALOSHINSKII ALLOWS US TO CALCULATE THE VAN DER WAALS FORCE ACTING BETWEEN TWO SURFACES AT A DISTANCE OF 10,000 A AND LESS FROM EACH OTHER. THIS CALCULATION WAS BASED ON THE EXPERIMENTALLY DETERMINED ABSORPTION DATA OF QUARTZ. THE DEFLECTION OF A THIN QUARTZ PLATE WHICH WAS SUPPORTED AT ONE END WITH A VAPORIZED BAR HAS BEEN MEASURED TO VERIFY THE THEORETICAL RESULTS. WITHIN THE RANGE OF ACCURACY A FAIR AGREEMENT COULD BE REACHED.
Keywords: BARS; ELASTOPLASTICITY; TORSION; COMPUTER PROGRAMMING; FINITE DIFFERENCE THEORY; INTEGRAL EQUATIONS
Downloads: 89
[texts]Numerical comparison of currents induced on an object in free-space and in a TEM cell (Volume NIST Technical Note 1527) - Fornberg, Per Erik; Holloway, Christopher L.; Wilson, Perry F.

Keywords: Electromagnetic compatibility; Electromagnetic measurements; Time-domain analysis; Finite differences
Downloads: 15
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